%0 Journal Article %T The preliminary cytogenetic investigations in Rana ridibunda Pall. and Rana esculenta L. from the north of Moldavia %A Ciprian Radu Mandrescu %A Gogu Gheorghita %J Analele £¿tiin£¿ifice Ale Universit£¿£¿ii Alexandru Ioan Cuza din Ia£¿i,Sectiunea II A : Genetica si Biologie Moleculara %D 2008 %I Alexandru Ioan Cuza University of Iasi %X The cytogenetic investigations in Rana ridibunda (Pall.) and R. esculenta (L.) species pointed out that the two species have the karyotype formed of 13 pairs of chromosomes (2n = 26). The chromosomes of these species can be divided into two groups: the first group comprises the pairs of large chromosomes 1¨C5, and the second group is made of the pairs 6¨C13 of smaller chromosomes. %U http://www.gbm.bio.uaic.ro/index.php/gbm/article/view/697